Analysis of noise in time-frequency distributions

被引：19
|
作者：
Stankovic, L [1 ]
机构：
[1] Univ Montenegro, Elektrotehn Fak, YU-81000 Podgorica, Monetegro, Yugoslavia
来源：
IEEE SIGNAL PROCESSING LETTERS | 2002年 / 9卷 / 09期
关键词：
eigenvalues and eigenfunctions; noise; signal representations; spectral analysis; time-frequency analysis; Wigner distribution;
D O I：
10.1109/LSP.2002.803409
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Exact expressions for the quadratic distributions' variance of signals corrupted with white stationary, white non-stationary, and colored stationary noise are derived. It has been,shown that the signal-dependent part of variance is closely related to the nonnoisy distribution values.
引用
收藏
页码：286 / 289
页数：4
相关论文
共 50 条
  • [1] SNR analysis of time-frequency distributions
    Mu, WF
    Amin, MG
    [J]. 2000 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, PROCEEDINGS, VOLS I-VI, 2000, : 645 - 648
  • [2] Gabor frames and time-frequency analysis of distributions
    Feichtinger, HG
    Grochenig, K
    [J]. JOURNAL OF FUNCTIONAL ANALYSIS, 1997, 146 (02) : 464 - 495
  • [3] A structure for representation of localized time-frequency distributions in presence of noise
    Moghadasian, Seyed Saman
    Fatemi-Behbahani, Esmaeil
    [J]. SIGNAL PROCESSING, 2018, 148 : 9 - 19
  • [4] Joint time-frequency analysis of electrochemical noise
    Darowicki, K
    Zielinski, A
    [J]. JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 2001, 504 (02): : 201 - 207
  • [5] Time-frequency analysis of classical and quantum noise
    Yang, Y.
    Cohen, L.
    [J]. ADVANCED SIGNAL PROCESSING ALGORITHMS, ARCHITECTURES, AND IMPLEMENTATIONS XVI, 2006, 6313
  • [6] INSTANTANEOUS FREQUENCY AND TIME-FREQUENCY DISTRIBUTIONS
    COHEN, L
    LEE, C
    [J]. 1989 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOLS 1-3, 1989, : 1231 - 1234
  • [7] ON POSITIVITY OF TIME-FREQUENCY DISTRIBUTIONS
    JANSSEN, AJEM
    CLAASEN, TACM
    [J]. IEEE TRANSACTIONS ON ACOUSTICS SPEECH AND SIGNAL PROCESSING, 1985, 33 (04): : 1029 - 1032
  • [8] AN ANALYSIS OF SOME TIME-FREQUENCY AND TIME-SCALE DISTRIBUTIONS
    STANKOVIC, L
    [J]. ANNALS OF TELECOMMUNICATIONS, 1994, 49 (9-10) : 505 - 517
  • [9] Robust time-frequency distributions
    Katkovnik, W
    Djurovic, I
    Stankovic, LJ
    [J]. ISSPA 2001: SIXTH INTERNATIONAL SYMPOSIUM ON SIGNAL PROCESSING AND ITS APPLICATIONS, VOLS 1 AND 2, PROCEEDINGS, 2001, : 156 - 157
  • [10] COMPUTING TIME-FREQUENCY DISTRIBUTIONS
    HARMS, B
    [J]. IEEE TRANSACTIONS ON SIGNAL PROCESSING, 1991, 39 (03) : 727 - 729
12345